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/* include/linux/android_alarm.h
*
* Copyright (C) 2006-2007 Google, Inc.
*
* This software is licensed under the terms of the GNU General Public
* License version 2, as published by the Free Software Foundation, and
* may be copied, distributed, and modified under those terms.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
*/
#ifndef _LINUX_ANDROID_ALARM_H
#define _LINUX_ANDROID_ALARM_H
#include <linux/ioctl.h>
#include <linux/time.h>
#include <linux/compat.h>
enum android_alarm_type {
/* return code bit numbers or set alarm arg */
ANDROID_ALARM_RTC_WAKEUP,
ANDROID_ALARM_RTC,
ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
ANDROID_ALARM_ELAPSED_REALTIME,
ANDROID_ALARM_SYSTEMTIME,
ANDROID_ALARM_TYPE_COUNT,
/* return code bit numbers */
/* ANDROID_ALARM_TIME_CHANGE = 16 */
};
enum android_alarm_return_flags {
ANDROID_ALARM_RTC_WAKEUP_MASK = 1U << ANDROID_ALARM_RTC_WAKEUP,
ANDROID_ALARM_RTC_MASK = 1U << ANDROID_ALARM_RTC,
ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP_MASK =
1U << ANDROID_ALARM_ELAPSED_REALTIME_WAKEUP,
ANDROID_ALARM_ELAPSED_REALTIME_MASK =
1U << ANDROID_ALARM_ELAPSED_REALTIME,
ANDROID_ALARM_SYSTEMTIME_MASK = 1U << ANDROID_ALARM_SYSTEMTIME,
ANDROID_ALARM_TIME_CHANGE_MASK = 1U << 16
};
/* Disable alarm */
#define ANDROID_ALARM_CLEAR(type) _IO('a', 0 | ((type) << 4))
/* Ack last alarm and wait for next */
#define ANDROID_ALARM_WAIT _IO('a', 1)
#define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size)
/* Set alarm */
#define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec)
#define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec)
#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec)
#define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec)
#define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0)))
#define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4)
#ifdef CONFIG_COMPAT
#define ANDROID_ALARM_SET_COMPAT(type) ALARM_IOW(2, type, \
struct compat_timespec)
#define ANDROID_ALARM_SET_AND_WAIT_COMPAT(type) ALARM_IOW(3, type, \
struct compat_timespec)
#define ANDROID_ALARM_GET_TIME_COMPAT(type) ALARM_IOW(4, type, \
struct compat_timespec)
#define ANDROID_ALARM_SET_RTC_COMPAT _IOW('a', 5, \
struct compat_timespec)
#define ANDROID_ALARM_IOCTL_NR(cmd) (_IOC_NR(cmd) & ((1<<4)-1))
#define ANDROID_ALARM_COMPAT_TO_NORM(cmd) \
ALARM_IOW(ANDROID_ALARM_IOCTL_NR(cmd), \
ANDROID_ALARM_IOCTL_TO_TYPE(cmd), \
struct timespec)
#endif
#endif
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